CN219639314U - Floating type powder metallurgy brake pad - Google Patents
Floating type powder metallurgy brake pad Download PDFInfo
- Publication number
- CN219639314U CN219639314U CN202321376315.7U CN202321376315U CN219639314U CN 219639314 U CN219639314 U CN 219639314U CN 202321376315 U CN202321376315 U CN 202321376315U CN 219639314 U CN219639314 U CN 219639314U
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- CN
- China
- Prior art keywords
- brake pad
- steel back
- powder metallurgy
- limiting
- friction
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- 238000007667 floating Methods 0.000 title claims abstract description 23
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 22
- 241000357293 Leptobrama muelleri Species 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 239000002184 metal Substances 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a floating type powder metallurgy brake pad, which relates to the technical field of train braking and comprises a brake pad body, wherein the brake pad body comprises a left steel back, a right steel back and a plurality of friction blocks, a left dovetail block is arranged below the left steel back, a right dovetail block is arranged below the right steel back, the friction blocks comprise back plates and a plurality of friction bodies, mounting holes are formed in the upper surfaces of the back plates, the mounting holes extend to the lower surfaces of the left steel back and the right steel back, a plurality of mounting grooves are formed in the lower surfaces of the left steel back and the right steel back, disc springs are floatingly mounted in the mounting holes, and a limiting mechanism is arranged in the mounting grooves. According to the utility model, when the dovetail planes of the left steel back and the right steel back receive braking force, the plurality of disc springs are compressed, and at the moment, the limiting springs in the plurality of limiting mechanisms are driven to compress, so that the forces received by the disc springs are shared, and the service life of the disc springs can be prolonged.
Description
Technical Field
The utility model relates to the technical field of train braking, in particular to a floating type powder metallurgy brake pad.
Background
The high-speed rail brake pad is an important component of a high-speed rail brake system, the brake system is one of nine key technologies of the high-speed rail, the brake system accounts for about 9% of the cost of a motor train unit train, the high-speed rail brake system generally adopts electric braking, air braking and non-adhesive braking to carry out combined braking, the electric braking is mainly used, the air braking and the non-adhesive braking are assisted, the air braking belongs to mechanical braking, the air braking is in a common structural form of disc braking, namely the compressed air is used for enabling the brake pad to hold a brake disc, and braking force is generated by friction between the brake pad and the brake disc to carry out braking.
In the prior art, because huge braking energy is almost born completely by the powder metallurgy brake pad when the train is braked, the bottom of the steel back is often worn, the service life is greatly influenced, in order to prevent the occurrence of the situation, the disc spring is often arranged below the steel back to buffer the force born by the steel back, but the disc spring is arranged in such a way, the disc spring is easily compressed into a gasket by the great force, the use effect is poor, and the disc spring needs to be frequently replaced, so that the floating type powder metallurgy brake pad is required to meet the demands of people.
Disclosure of Invention
The utility model aims to provide a floating type powder metallurgy brake pad, which solves the problems that in the prior art, huge braking energy is almost completely borne by the powder metallurgy brake pad when a train is braked, abrasion is frequently generated at the bottom of a steel back, the service life is greatly influenced, and in order to prevent the abrasion, a disc spring is frequently arranged below the steel back to buffer the force born by the steel back, but the disc spring is easily compressed into a gasket due to the large force, so that the disc spring is poor in use effect and needs to be replaced frequently.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a floating powder metallurgy brake pad, includes the brake pad body, the brake pad body includes left steel backing, right steel backing, a plurality of clutch blocks, the below of left steel backing is provided with left forked tail piece, the below of right steel backing is provided with right forked tail piece, the clutch blocks includes backplate and a plurality of friction body, and is a plurality of the mounting hole has all been seted up to the upper surface of backplate, and is a plurality of the mounting hole all extends to the lower surface of left steel backing and right steel backing, a plurality of mounting grooves have all been seted up to the lower surface of left steel backing and right steel backing, and is a plurality of all floating installation dish spring in the mounting hole, a plurality of all be provided with stop gear in the mounting groove.
Preferably, the friction block is formed by pressing and sintering a back plate and a plurality of friction bodies.
Preferably, the stop gear includes a plurality of spacing grooves, a plurality of equal slidable mounting in one side of spacing groove inner wall has spacing spring, and is a plurality of the movable block is all installed to spacing spring's one end, a plurality of the stopper is all installed to the upper surface of movable block, a plurality of the one side surface of stopper all contacts with the outer wall of dish spring.
Preferably, a plurality of friction blocks are respectively arranged on dovetail-free planes of the left steel back and the right steel back.
Preferably, a plurality of the back plates are all arranged in a rounded triangle shape, a corresponding group of friction bodies are all arranged in a triangular symmetry manner along the edge of the back plate, and a plurality of the mounting holes are all arranged at the center of the corresponding back plate.
Preferably, the left steel back and the left dovetail block are of an integrated metal structure; the right steel back and the right dovetail block are of an integrated metal structure.
Preferably, the left steel back and the right steel back are both manufactured by rolling profile finishing.
The beneficial effects of the utility model are as follows:
according to the utility model, through the arrangement of the brake pad body, the left steel back, the right steel back, the friction block, the left dovetail block, the right dovetail block, the back plate, the friction body, the mounting hole, the disc springs and the limiting mechanisms, when the dovetail planes of the left steel back and the right steel back are subjected to braking force, the plurality of disc springs are compressed, and at the moment, the limiting springs in the plurality of limiting mechanisms are driven to compress, so that the force applied to the disc springs is shared, and the service life of the disc springs can be prolonged.
Drawings
FIG. 1 is a schematic perspective view of a floating powder metallurgy brake pad according to the present utility model;
FIG. 2 is a schematic perspective view of a friction block of a floating powder metallurgy brake pad according to the present utility model;
FIG. 3 is a schematic perspective view of a back plate of a floating powder metallurgy brake pad according to the present utility model;
FIG. 4 is a schematic rear plan view of a floating powder metallurgy brake pad according to the present utility model.
Fig. 5 is an enlarged schematic view of the floating powder metallurgy brake pad at a in fig. 4 according to the present utility model.
In the figure: 1. left steel back; 2. a right steel back; 3. a right dovetail block; 4. a left dovetail block; 5. a friction block; 6. a mounting groove; 7. a disc spring; 8. a limit groove; 9. a limit spring; 10. a moving block; 11. a limiting block; 501. a friction body; 502. a back plate; 503. and (5) mounting holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, a floating type powder metallurgy brake pad, including the brake pad body, the brake pad body includes left steel backing 1, right steel backing 2, a plurality of friction blocks 5, the below of left steel backing 1 is provided with left forked tail piece 4, the below of right steel backing 2 is provided with right forked tail piece 3, friction blocks 5 includes backplate 502 and a plurality of friction body 501, mounting holes 503 have all been seted up to the upper surface of a plurality of backplate 502, a plurality of mounting holes 503 all extend to the lower surface of left steel backing 1 and right steel backing 2, a plurality of mounting grooves 6 have all been seted up to the lower surface of left steel backing 1 and right steel backing 2, all install dish spring 7 in a plurality of mounting grooves 503 in a floating manner, all be provided with stop gear in a plurality of mounting grooves 6, can be when the dove tail plane of left steel backing 1 and right steel backing 2 receives the braking force, a plurality of dish springs 7 are compressed, stop spring 9 in a plurality of stop gear is driven the compression this moment, the power that receives dish spring 7 bears, can improve dish spring 7's life.
As shown in fig. 1, the left steel back 1 and the right steel back 2 are both manufactured by the finish machining of rolled sections, and the manufactured steel is few in defects, so that the machining qualification rate can be improved, the machining cost can be reduced, and the practicability is high.
As shown in fig. 2 and 3, the friction block 5 is formed by pressurizing and sintering the back plate 502 and the plurality of friction bodies 501, the plurality of back plates 502 are all arranged in a round angle triangle shape, a corresponding group of friction bodies 501 are all arranged in a triangular symmetry manner along the edge of the back plate 502, a plurality of mounting holes 503 are all arranged at the center of the corresponding back plate 502, the whole friction block 5 is uniformly arranged on the left steel back 1 and the right steel back 2, the friction block 5 is formed by pressurizing and sintering the back plate 502 and the plurality of friction bodies 501, the mounting holes 503 are formed at the center of the back plate 502, so that when the brake pad body receives the braking force of a train, the consistency of the heat dissipation rate of each friction block 5 is ensured, the brake pad body is more favorable for integrally keeping a stable friction coefficient, the brake pad body is uniformly heated, and abrasive dust is easily discharged from the plurality of mounting holes 503 and cannot stay on the brake pad body to influence the use.
As shown in fig. 1 and 4, the left steel back 1 and the left dovetail block 4 are of an integrated metal structure; the right steel back 2 and the right dovetail block 3 are of an integrated metal structure, so that the whole mechanical capacity of the brake pad body is kept consistent, the structural strength is remarkably improved, and enough safety can be kept when accidents such as severe impact are met.
The working principle of the utility model is as follows: can be when the train is gone and is needed to brake, a plurality of friction blocks 5 of the no forked tail plane of left steel backing 1 and right steel backing 2 receive the friction, and there is the forked tail plane of left steel backing 1 and right steel backing 2 to receive the compacting force, and dish spring 7 in a plurality of mounting holes 503 is compressed this moment, can make spacing spring 9 in the mounting groove 6 driven the compression, shares the power that dish spring 7 received, can improve dish spring 7's life.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a floating powder metallurgy brake pad, includes brake pad body, its characterized in that: the brake lining body comprises a left steel backing (1), a right steel backing (2) and a plurality of friction blocks (5), a left dovetail block (4) is arranged below the left steel backing (1), a right dovetail block (3) is arranged below the right steel backing (2), the friction blocks (5) comprise a back plate (502) and a plurality of friction bodies (501), mounting holes (503) are formed in the upper surface of the back plate (502), the mounting holes (503) are all extended to the lower surfaces of the left steel backing (1) and the right steel backing (2), a plurality of mounting grooves (6) are formed in the lower surfaces of the left steel backing (1) and the right steel backing (2), and disc springs (7) are all arranged in the mounting holes (503) in a floating mode, and limiting mechanisms are arranged in the mounting grooves (6).
2. A floating powder metallurgy brake pad according to claim 1, wherein: the friction block (5) is formed by pressing and sintering a back plate (502) and a plurality of friction bodies (501).
3. A floating powder metallurgy brake pad according to claim 1, wherein: the limiting mechanism comprises a plurality of limiting grooves (8), wherein one side of the inner wall of each limiting groove (8) is provided with a limiting spring (9) in a sliding mode, one end of each limiting spring (9) is provided with a moving block (10), the upper surface of each moving block (10) is provided with a limiting block (11), and one side surface of each limiting block (11) is in contact with the outer wall of each disc spring (7).
4. A floating powder metallurgy brake pad according to claim 1, wherein: the friction blocks (5) are respectively arranged on dovetail-free planes of the left steel back (1) and the right steel back (2).
5. A floating powder metallurgy brake pad according to claim 1, wherein: the plurality of back plates (502) are all arranged into round angle triangle shapes, a group of corresponding friction bodies (501) are all arranged along the edges of the back plates (502) in a triangular symmetry mode, and the plurality of mounting holes (503) are all arranged at the center of the corresponding back plates (502).
6. A floating powder metallurgy brake pad according to claim 1, wherein: the left steel back (1) and the left dovetail block (4) are of an integrated metal structure; the right steel back (2) and the right dovetail block (3) are of an integrated metal structure.
7. A floating powder metallurgy brake pad according to claim 1, wherein: the left steel back (1) and the right steel back (2) are manufactured by rolling profile finish machining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376315.7U CN219639314U (en) | 2023-06-01 | 2023-06-01 | Floating type powder metallurgy brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376315.7U CN219639314U (en) | 2023-06-01 | 2023-06-01 | Floating type powder metallurgy brake pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639314U true CN219639314U (en) | 2023-09-05 |
Family
ID=87814420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321376315.7U Active CN219639314U (en) | 2023-06-01 | 2023-06-01 | Floating type powder metallurgy brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639314U (en) |
-
2023
- 2023-06-01 CN CN202321376315.7U patent/CN219639314U/en active Active
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| GR01 | Patent grant | ||
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